Heavy duty genuine parts?

[Wine_maker]

Good day to all!
Today, I changed the panard rod’s bushes. Old bushes were genuine nissan, new bushes too, but as you can see on the photo the profile of working surface is different. New bushes are wider than old.

Old bush № 55135 01J01 3-4
New bush № 55135 01J01 3-1

Is it possible that Nissan produce ordinary and heavy duty genuine parts?


http://www.nissanpatrol.com.au/forums/attachment.php?attachmentid=43426&d=1397708454

[MudRunnerTD]

Most likely just made them better. what year is your car WM? maybe the year is different and the new is for a later model or something.

[lhurley]

Old ones could be flogged out?

[Wine_maker]

Mine shorty made in 1994.
Also, I think that maybe old bush was made for long 5 door GQ with 4.2 because it's heavier.

[mudski]

Mine shorty made in 1994.
Also, I think that maybe old bush was made for long 5 door GQ with 4.2 because it's heavier.

If thats the case they would be different part numbers. More than likely an update in production modelling. Or depending on which factory they came from. Japan, China or UAE...